#include <stdio.h>
#include <stdlib.h>
#include <string.h>


int returnChunkSize(void * a) {
   
    return -1;
}


int main() {
    void *p = NULL;
    char str[10];
    int a;
    long long b = 10;
    int index = 10;

    char destBuf[10], srcBuf[10] = {0};
     memcpy(destBuf, srcBuf, 100);

    p = malloc(1024);

    str[index] = 'a';

    printf("%s\n", b);
    printf("%d", b);

    strncpy(str, "hello world!1234567890", 10);

    void *ptr ;

    while (a > 0) {

        if (a == 3) {
            ptr = malloc(100);
        }
    }

    if (ptr != NULL) {
        free(ptr);
    }
   

}
